Barbecue grill



FIG. 1 is a top plan view of a barbecue grill showing our new design;

FIG. 2 is a bottom plan view of the barbecue grill;

FIG. 3 is a left elevation of the barbecue grill;

FIG. 4 is a right elevation of the barbecue grill;

FIG. 5 is a front elevation of the barbecue grill; and,

FIG. 6 is a rear elevation of the barbecue grill.

The ornamental design for a barbecue grill, as shown.